@Test @Ignore public void testJava(){
  System.out.println(">>testJava()");
  System.out.println("Math.exp=" + Math.exp(Double.NEGATIVE_INFINITY));
  String props[]={"java.version","java.vendor","java.vm.specification.version","java.vm.specification.vendor","java.vm.specification.name","java.vm.version","java.vm.vendor","java.vm.name","java.specification.version","java.specification.vendor","java.specification.name","java.class.version"};
  for (  String t : props) {
    System.out.println(t + "=" + System.getProperty(t));
  }
  System.out.println("<